Changes between Version 40 and Version 41 of Help/Concepts/Object
- Timestamp:
- 2016-04-17T05:59:53+02:00 (10 years ago)
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Help/Concepts/Object
v40 v41 5 5 JOSM helps you to enter data about real-world objects in the OSM geo-database. Despite the overwhelming complexity of real-world objects you can map, JOSM provides only three kinds of objects as basic building blocks for maps: [[Image(source:trunk/images/data/node.png,top,nolink)]] **nodes**, [[Image(source:trunk/images/data/way.png,middle,nolink)]] **ways** and [[Image(source:trunk/images/data/relation.png,middle)]] **relations**. 6 6 7 You can assign **tags** to objects. It's the assigned set of tags which makes a node representing a restaurant different from a node representing a church, or a way representing a residential road different from a ways representing a river, or a relation representing a bus route different from a relation representing a cycling route. 7 You can assign **tags** to objects. It's Areasthe assigned set of tags which makes a node representing a restaurant different from a node representing a church, or a way representing a residential road different from a ways representing a river, or a relation representing a bus route different from a relation representing a cycling route. 8 8 9 9 [[PageOutline(2-10,Table of Contents)]] … … 16 16 [[Image(source:trunk/images/data/way.png,20,middle,margin-right=15,margin-bottom=5,nolink)]] A **way** is a sequence of nodes. Despite its name a way doesn't represent ways in the real-world only. An OSM **way** is also used to represent a river, the boundaries of a country, or even a building. 17 17 18 ==== Closed Ways ( Areas) ==== #ClosedWays18 ==== Areas or Closed Ways () ==== #ClosedWays 19 19 [[Image(source:trunk/images/data/closedway.png,20,middle,margin-right=15,margin-bottom=5,nolink)]] If a **way** is closed, i.e. if the last node is the same as the first node, it is also called an **area**. 20 20
